I have recently upgraded my HTPC components from a Sandy-bridge based setup (Asus P8H67H-EVO + i3-2100t) to a Haswell system (Asrock Z87E-ITX + i5-4570T) and I have gotten this HDMI issue that is starting to annoy me greatly. Basically every time I turn off the upstream receiver (Onkyo NR-905) the HDMI audio is disabled by Win 8.1 x64. The Intel Display Audio device will disappear from the "Sound, video and game controllers" section, and I will get an exclamation mark on the "High Definition Audio Controller" under "System devices". The only way to re-enable the audio device I have found so far is rebooting the system. This worked perfectly in my previous setup, so something is not working correctly in the drivers or bios (or a combination of the two). The Realtek audio controller is disabled in bios as i don't have a use for it.
I have tried multiple driver (both asrock and directly from intel) + bios combinations so far, but every single one has resulted in exactly the same problem. The current software stack is bios 2.10 and intel driver 10.18.10.3316 (latest available)
I have tried multiple driver (both asrock and directly from intel) + bios combinations so far, but every single one has resulted in exactly the same problem. The current software stack is bios 2.10 and intel driver 10.18.10.3316 (latest available)
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